зеркало из https://github.com/mozilla/gecko-dev.git
143 строки
5.1 KiB
C++
143 строки
5.1 KiB
C++
#include <utility>
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#define MOZ_IMPLICIT __attribute__((annotate("moz_implicit")))
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template <typename T>
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class already_AddRefed {
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public:
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already_AddRefed();
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T* mPtr;
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};
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template <typename T>
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class RefPtr {
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public:
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RefPtr();
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MOZ_IMPLICIT RefPtr(T* aIn);
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MOZ_IMPLICIT RefPtr(already_AddRefed<T> aIn);
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RefPtr(const RefPtr<T>& aOther) = default;
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RefPtr& operator=(const RefPtr<T>&) = default;
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// We must define non-defaulted move operations as in the real RefPtr to make
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// the type non-trivially-copyable.
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RefPtr(RefPtr<T>&&);
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RefPtr& operator=(RefPtr<T>&&);
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void swap(RefPtr<T>& aOther);
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~RefPtr();
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T* mPtr;
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};
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template <typename T>
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class nsCOMPtr {
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public:
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nsCOMPtr();
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MOZ_IMPLICIT nsCOMPtr(T* aIn);
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MOZ_IMPLICIT nsCOMPtr(already_AddRefed<T> aIn);
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~nsCOMPtr();
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T* mPtr;
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};
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class Type {
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public:
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static nsCOMPtr<Type> someStaticCOMPtr;
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void f(nsCOMPtr<Type> ignoredArgument, Type *param) {
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nsCOMPtr<Type> never_referenced;
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nsCOMPtr<Type> kfdg_t1(this);
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nsCOMPtr<Type> kfdg_t2 = this;
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nsCOMPtr<Type> kfdg_t3 = (this);
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nsCOMPtr<Type> kfdg_m1(p); // expected-error {{Unused "kungFuDeathGrip" 'nsCOMPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m1', or explicitly pass 'kfdg_m1' to `mozilla::Unused`}}
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nsCOMPtr<Type> kfdg_m2 = p; // expected-error {{Unused "kungFuDeathGrip" 'nsCOMPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m2', or explicitly pass 'kfdg_m2' to `mozilla::Unused`}}
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nsCOMPtr<Type> kfdg_m3(p);
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kfdg_m3.mPtr->f(nullptr, nullptr);
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nsCOMPtr<Type> kfdg_m4 = p;
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kfdg_m4.mPtr->f(nullptr, nullptr);
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nsCOMPtr<Type> kfdg_a1((already_AddRefed<Type>()));
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nsCOMPtr<Type> kfdg_a2 = already_AddRefed<Type>();
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nsCOMPtr<Type> kfdg_p1(param);
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nsCOMPtr<Type> kfdg_p2 = param;
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RefPtr<Type> never_referenced2;
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RefPtr<Type> kfdg_t4(this);
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RefPtr<Type> kfdg_t5 = this;
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RefPtr<Type> kfdg_t6 = (this);
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RefPtr<Type> kfdg_m5(p); // expected-error {{Unused "kungFuDeathGrip" 'RefPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m5', or explicitly pass 'kfdg_m5' to `mozilla::Unused`}}
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RefPtr<Type> kfdg_m6 = p; // expected-error {{Unused "kungFuDeathGrip" 'RefPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m6', or explicitly pass 'kfdg_m6' to `mozilla::Unused`}}
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RefPtr<Type> kfdg_m7(p);
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kfdg_m7.mPtr->f(nullptr, nullptr);
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RefPtr<Type> kfdg_m8 = p;
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kfdg_m8.mPtr->f(nullptr, nullptr);
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RefPtr<Type> kfdg_a3((already_AddRefed<Type>()));
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RefPtr<Type> kfdg_a4 = already_AddRefed<Type>();
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RefPtr<Type> kfdg_p3(param);
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RefPtr<Type> kfdg_p4 = param;
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}
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Type *p;
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};
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struct Type2 {
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void f() {
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mWeakRef->f(nullptr, nullptr);
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}
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void g() {
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RefPtr<Type> kfdg;
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kfdg.swap(mStrongRef);
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f();
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}
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void h() {
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RefPtr<Type> kfdg = std::move(mStrongRef);
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f();
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}
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RefPtr<Type> mStrongRef;
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Type* mWeakRef;
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};
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void f(nsCOMPtr<Type> ignoredArgument, Type *param) {
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nsCOMPtr<Type> never_referenced;
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Type t;
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// Type *p = nullptr;
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nsCOMPtr<Type> kfdg_m1(t.p); // expected-error {{Unused "kungFuDeathGrip" 'nsCOMPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m1', or explicitly pass 'kfdg_m1' to `mozilla::Unused`}}
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nsCOMPtr<Type> kfdg_m2 = t.p; // expected-error {{Unused "kungFuDeathGrip" 'nsCOMPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m2', or explicitly pass 'kfdg_m2' to `mozilla::Unused`}}
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nsCOMPtr<Type> kfdg_m3(t.p);
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kfdg_m3.mPtr->f(nullptr, nullptr);
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nsCOMPtr<Type> kfdg_m4 = t.p;
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kfdg_m4.mPtr->f(nullptr, nullptr);
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nsCOMPtr<Type> kfdg_a1((already_AddRefed<Type>()));
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nsCOMPtr<Type> kfdg_a2 = already_AddRefed<Type>();
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nsCOMPtr<Type> kfdg_p1(param);
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nsCOMPtr<Type> kfdg_p2 = param;
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RefPtr<Type> never_referenced2;
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RefPtr<Type> kfdg_m5(t.p); // expected-error {{Unused "kungFuDeathGrip" 'RefPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m5', or explicitly pass 'kfdg_m5' to `mozilla::Unused`}}
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RefPtr<Type> kfdg_m6 = t.p; // expected-error {{Unused "kungFuDeathGrip" 'RefPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m6', or explicitly pass 'kfdg_m6' to `mozilla::Unused`}}
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RefPtr<Type> kfdg_m7(t.p);
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kfdg_m7.mPtr->f(nullptr, nullptr);
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RefPtr<Type> kfdg_m8 = t.p;
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kfdg_m8.mPtr->f(nullptr, nullptr);
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RefPtr<Type> kfdg_a3((already_AddRefed<Type>()));
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RefPtr<Type> kfdg_a4 = already_AddRefed<Type>();
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RefPtr<Type> kfdg_p3(param);
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RefPtr<Type> kfdg_p4 = param;
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}
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nsCOMPtr<Type> Type::someStaticCOMPtr(nullptr);
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